User Manual of HD-TVI Speed Dome
38
Appendix 3 24VAC Wire Gauge & Transmission Distance
The following table describes the recommended Max. distance adopted for the certain wire gauge
when the loss rate of 24VAC voltage is less than 10%. For the AC driven device, the maximum
voltage loss rate is 10% allowable. For example, for a device with the rating power of 80VA which is
installed at a distance of 35 feet (10m) away from the transformer, then 0.8000mm is required as
the minimum wire gauge.
0.8000
1.000
1.250
2.000
10
283(86)
451(137)
716(218)
1811(551)
20
141(42)
225(68)
358(109)
905(275)
30
94(28)
150(45)
238(72)
603(183)
40
70(21)
112(34)
179(54)
452(137)
50
56(17)
90(27)
143(43)
362(110)
60
47(14)
75(22)
119(36)
301(91)
70
40(12)
64(19)
102(31)
258(78)
80
35(10)
56(17)
89(27)
226(68)
90
31(9)
50(15)
79(24)
201(61)
100
28(8)
45(13)
71(21)
181(55)
110
25(7)
41(12)
65(19)
164(49)
120
23(7)
37(11)
59(17)
150(45)
130
21(6)
34(10)
55(16)
139(42)
140
20(6)
32(9)
51(15)
129(39)
150
18(5)
30(9)
47(14)
120(36)
160
17(5)
28(8)
44(13)
113(34)
170
16(4)
26(7)
42(12)
106(32)
180
15(4)
25(7)
39(11)
100(30)
190
14(4)
23(7)
37(11)
95(28)
200
14(4)
22(6)
35(10)
90(27)
Distance
(feet)
Power (va)
Wire Gauge
(mm)
